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Commit f1a2ca2e authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi
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usb: gadget: f_ecm: remove compatibility layer



There are no old function interface users left, so the old interface
can be removed.

Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarKyungmim Park <kyungmin.park@samsung.com>
Acked-by: default avatarMichal Nazarewicz <mina86@mina86.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent f212ad4e
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+1 −72
Original line number Diff line number Diff line
@@ -691,7 +691,6 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
	int			status;
	struct usb_ep		*ep;

#ifndef USBF_ECM_INCLUDED
	struct f_ecm_opts	*ecm_opts;

	if (!can_support_ecm(cdev->gadget))
@@ -715,7 +714,7 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f)
			return status;
		ecm_opts->bound = true;
	}
#endif

	us = usb_gstrings_attach(cdev, ecm_strings,
				 ARRAY_SIZE(ecm_string_defs));
	if (IS_ERR(us))
@@ -834,74 +833,6 @@ fail:
	return status;
}

#ifdef USBF_ECM_INCLUDED

static void
ecm_old_unbind(struct usb_configuration *c, struct usb_function *f)
{
	struct f_ecm		*ecm = func_to_ecm(f);

	DBG(c->cdev, "ecm unbind\n");

	usb_free_all_descriptors(f);

	kfree(ecm->notify_req->buf);
	usb_ep_free_request(ecm->notify, ecm->notify_req);
	kfree(ecm);
}

/**
 * ecm_bind_config - add CDC Ethernet network link to a configuration
 * @c: the configuration to support the network link
 * @ethaddr: a buffer in which the ethernet address of the host side
 *	side of the link was recorded
 * @dev: eth_dev structure
 * Context: single threaded during gadget setup
 *
 * Returns zero on success, else negative errno.
 *
 * Caller must have called @gether_setup().  Caller is also responsible
 * for calling @gether_cleanup() before module unload.
 */
int
ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
		struct eth_dev *dev)
{
	struct f_ecm	*ecm;
	int		status;

	if (!can_support_ecm(c->cdev->gadget) || !ethaddr)
		return -EINVAL;

	/* allocate and initialize one new instance */
	ecm = kzalloc(sizeof *ecm, GFP_KERNEL);
	if (!ecm)
		return -ENOMEM;

	/* export host's Ethernet address in CDC format */
	snprintf(ecm->ethaddr, sizeof ecm->ethaddr, "%pm", ethaddr);
	ecm_string_defs[1].s = ecm->ethaddr;

	ecm->port.ioport = dev;
	ecm->port.cdc_filter = DEFAULT_FILTER;

	ecm->port.func.name = "cdc_ethernet";
	/* descriptors are per-instance copies */
	ecm->port.func.bind = ecm_bind;
	ecm->port.func.unbind = ecm_old_unbind;
	ecm->port.func.set_alt = ecm_set_alt;
	ecm->port.func.get_alt = ecm_get_alt;
	ecm->port.func.setup = ecm_setup;
	ecm->port.func.disable = ecm_disable;

	status = usb_add_function(c, &ecm->port.func);
	if (status)
		kfree(ecm);
	return status;
}

#else

static inline struct f_ecm_opts *to_f_ecm_opts(struct config_item *item)
{
	return container_of(to_config_group(item), struct f_ecm_opts,
@@ -1040,5 +971,3 @@ static struct usb_function *ecm_alloc(struct usb_function_instance *fi)
DECLARE_USB_FUNCTION_INIT(ecm, ecm_alloc_inst, ecm_alloc);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("David Brownell");

#endif
+0 −2
Original line number Diff line number Diff line
@@ -270,8 +270,6 @@ static inline bool can_support_ecm(struct usb_gadget *gadget)
/* each configuration may bind one instance of an ethernet link */
int geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
		struct eth_dev *dev);
int ecm_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
		struct eth_dev *dev);

#ifdef USB_ETH_RNDIS